[INFO] cloning repository https://github.com/matthauck/office-crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthauck/office-crypto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthauck%2Foffice-crypto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthauck%2Foffice-crypto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43e7af18c55f6534ea51fea6dca31026acfa7d3d
[INFO] testing matthauck/office-crypto against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthauck%2Foffice-crypto" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthauck/office-crypto on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthauck/office-crypto
[INFO] finished tweaking git repo https://github.com/matthauck/office-crypto
[INFO] tweaked toml for git repo https://github.com/matthauck/office-crypto written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/matthauck/office-crypto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 072f68a1d571523c13893ccb42d9f002da597d9337d0f58c0b0e7080b73a4be1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "072f68a1d571523c13893ccb42d9f002da597d9337d0f58c0b0e7080b73a4be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "072f68a1d571523c13893ccb42d9f002da597d9337d0f58c0b0e7080b73a4be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072f68a1d571523c13893ccb42d9f002da597d9337d0f58c0b0e7080b73a4be1", kill_on_drop: false }`
[INFO] [stdout] 072f68a1d571523c13893ccb42d9f002da597d9337d0f58c0b0e7080b73a4be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a3b6b177162b4596baed438e88d1bd2ac92fe7009b5bfef8f0600a29173981d
[INFO] running `Command { std: "docker" "start" "-a" "5a3b6b177162b4596baed438e88d1bd2ac92fe7009b5bfef8f0600a29173981d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.6.1
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stdout] error[E0277]: `&&Vec<String>` is not an iterator
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.6.1/build.rs:226:15
[INFO] [stdout]     |
[INFO] [stdout] 226 |         .args(&args)
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               `&&Vec<String>` is not an iterator
[INFO] [stdout]     |               help: consider adding dereference here: `&*args`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&&Vec<String>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&&Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ring`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5a3b6b177162b4596baed438e88d1bd2ac92fe7009b5bfef8f0600a29173981d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3b6b177162b4596baed438e88d1bd2ac92fe7009b5bfef8f0600a29173981d", kill_on_drop: false }`
[INFO] [stdout] 5a3b6b177162b4596baed438e88d1bd2ac92fe7009b5bfef8f0600a29173981d